Costume-party Events in Boston

Check out happening costume-party events all around Boston, MA

Kids & Family Halloween Costume Party

Sun, 26 Oct at 11:30 am Time Out Market Boston Free

Joker Boston Halloween Party Cruise

Fri, 31 Oct at 08:00 pm Music City Queen Boston Riverboat USD 35 to 59

Thirty Plus Halloween Costume Party

Sat, 25 Oct at 07:00 pm Rebel's Guild USD 34

2025 ULEM Guild 7th Annual Big BOOOOO Adult Costume Party!!!

Sat, 25 Oct at 06:00 pm Bruce C. Bolling Municipal Building USD 29

GOUYAD VIBES 24TH

Fri, 31 Oct at 09:00 pm Boston Restaurant Bar & Grill, LLC USD 7 to 18

The Greatest Gatsby NYE Party

Wed, 31 Dec at 08:30 pm The Greatest Bar USD 61 to 2,136